<?php

declare(strict_types=1);

/**
 * Wrapped future class.
 *
 * This file is part of MadelineProto.
 * MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 * MadelineProto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 * You should have received a copy of the GNU General Public License along with MadelineProto.
 * If not, see <http://www.gnu.org/licenses/>.
 *
 * @author    Daniil Gentili <daniil@daniil.it>
 * @copyright 2016-2023 Daniil Gentili <daniil@daniil.it>
 * @license   https://opensource.org/licenses/AGPL-3.0 AGPLv3
 * @link https://docs.madelineproto.xyz MadelineProto documentation
 */

namespace danog\MadelineProto;

use Amp\Cancellation;
use Amp\Future;

/**
 * @internal
 *
 * @template T
 */
final class WrappedFuture
{
    /**
     * @param Future<T> $f
     */
    public function __construct(private readonly Future $f)
    {
    }

    /**
     * @return bool True if the operation has completed.
     */
    public function isComplete(): bool
    {
        return $this->f->isComplete();
    }

    /**
     * Awaits the operation to complete.
     *
     * Throws an exception if the operation fails.
     *
     * @return T
     */
    public function await(?Cancellation $cancellation = null): mixed
    {
        $result = $this->f->await($cancellation);
        if (\is_callable($result)) {
            throw $result();
        }
        return $result;
    }
}
